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https://issues.apache.org/jira/browse/HDDS-3812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17136711#comment-17136711
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Mukul Kumar Singh commented on HDDS-3812:
-----------------------------------------
Thanks for the contribution [~ljain]. I have merged this to master.
> Disable netty resource leak detector in datanode
> ------------------------------------------------
>
> Key: HDDS-3812
> URL: https://issues.apache.org/jira/browse/HDDS-3812
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Assignee: Lokesh Jain
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2020-06-08-07-46-24-733.png,
> image-2020-06-08-07-46-36-931.png
>
>
> By default netty enables resource leak detector. However, this ends up
> throwing exception everytime to track the location.
>
> For every write and for every bytebuf allocation in netty, it ends up going
> via this path which can hurt during concurrency and for perf.
> [https://github.com/netty/netty/blob/b82258b72fdf4c733d9c4a641c6b8725b036485f/common/src/main/java/io/netty/util/ResourceLeakDetector.java#L106]
> [https://github.com/netty/netty/blob/b82258b72fdf4c733d9c4a641c6b8725b036485f/common/src/main/java/io/netty/util/ResourceLeakDetector.java#L591]
> !image-2020-06-08-07-46-24-733.png!
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